Perhaps you should try some spelling variations:
dinh cho » dinh chon, danh cho, dinh chi
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
va tinh » may tinh
va hinh » va chinh, va kinh, va sinh
ve chat » va chat, van chat
ve cham » va cham, vu cham, ve chim
nang ma » tang ma, sang ma, nang cao
cho tre » cho thue, khoe tre
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang ma hoi. hieu ((ve cham) or (ve chat)) tuc ((va hinh) OR (va tinh)) dinh cho tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. hieu ((ve cham) OR (ve chat)) tuc ((va hinh) OR (va tinh)) dinh cho tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ma hoi. hieu ((ve cham) or (ve chat)) tuc ((va hinh) OR (va tinh)) dinh cho tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu ((ve cham) or (ve chat)) tuc ((va hinh) OR (va tinh)) dinh cho tre*.